Unreal Engine Issues
Unreal Engine Issues
Spline mesh deform breaks WPO when used with Nanite meshes
UE - Graphics Features - Nanite - Oct 13, 2025Nanite spline meshes deforming along the world normal vector do not use the same world normal as a non-Nanite spline mesh. This results in inconsistent behavior between Nanite and non-Nanite spline ...
SplineMeshComponent's collision will start to distort the longer the Spline becomes
UE - Gameplay - Nov 30, 2016SplineMeshComponent's collision will start to distort the longer the Spline becomes This is a regession. It was working in 4.13.2-3172292 User Description: When drawing out a long spline mesh ( r ...
Editor crashes when BP spline component is selected
Tools - Jan 12, 2017When a spline component point is selected, attempting to select another spline component will cause the editor to crash. Crash also occurs if the same component is selected. Workaround: If the emp ...
'Get Distance Along Spline At Spline Point' Causes Crash
Tools - Jul 28, 2018User reports that the reason for the crash is that because UpdateSpline is false on the AddSplinePointAtIndex blueprint node, this line is never called [ReparamTable.Points.Reset(NumSegments * Repar ...
Landscape Spline Width/Side Falloff does not respect Unreal Units.
UE - LD & Modeling - Terrain - Landscape - Nov 15, 2019The user reports that the Landscape Spline Width and Side Falloff isn't respecting Unreal Units in the Editor. The usage for comparison is a Cube that is scaled up 7x to Splines that have a Width of ...
Nested Spline Components cannot be edited
Tools - Mar 14, 2017When a spline component is created in a class/blueprint (child) that is used as a component for another class/blueprint (parent), the spline component cannot be edited from the parent class instance ...
Landscape Spline collision displays incorrectly
UE - LD & Modeling - Terrain - Landscape - Aug 27, 2020Landscape splines are displaying their collision incorrectly. The collision is projected off the spline however this issue is purely visual. The collision itself still works as expected. This was t ...
Spline Mesh Does Not Collapse Or Deform Properly
Tools - Apr 26, 2017Spline meshes don't seem to collapse evenly if they have geometry in between the start and end points. The test project demonstrates this by having a spline mesh move its end point closer to the sta ...
Spline component that is altered in the construction script cannot be referenced by the Event Graph
UE - Gameplay - Blueprint - Apr 21, 2015A Spline component that is altered in the construction script cannot be referenced by the Event Graph. ...
Moving landscape components to a sublevel does not move landscape spline points
UE - LD & Modeling - Terrain - Landscape - May 12, 2016Spline points are not moved into sublevels if a segment of landscape is moved to a sublevel. Regression (No) issue (does) occur in 4.10.4 ...